libs/spirit/phoenix/test/statement/exceptions.cpp

   1 /*=============================================================================
   2     Copyright (c) 2005-2007 Dan Marsden
   3     Copyright (c) 2005-2007 Joel de Guzman
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8
   9 #include <stdexcept>
  10 #include <string>
  11
  12 #include <boost/spirit/include/phoenix_core.hpp>
  13 #include <boost/spirit/include/phoenix_operator.hpp>
  14 #include <boost/spirit/include/phoenix_statement.hpp>
  15
  16 #include <boost/detail/lightweight_test.hpp>
  17
  18 int main()
  19 {
  20     using namespace boost::phoenix;
  21     using namespace boost::phoenix::arg_names;
  22     using namespace std;
  23
  24     {
  25         try
  26         {
  27             throw_(runtime_error("error"))();
  28             BOOST_ERROR("exception should have been thrown");
  29         }
  30         catch(runtime_error& err)
  31         {
  32             BOOST_TEST(err.what() == string("error"));
  33         }
  34     }
  35
  36     {
  37         try
  38         {
  39             try
  40             {
  41                 throw runtime_error("error");
  42             }
  43             catch(exception&)
  44             {
  45                 throw_()();
  46                 BOOST_ERROR("exception should have been rethrown");
  47             }
  48         }
  49         catch(exception& err)
  50         {
  51             BOOST_TEST(err.what() == string("error"));
  52         }
  53     }
  54
  55     {
  56         bool caught_exception = false;
  57
  58         try_
  59         [ throw_(runtime_error("error")) ]
  60         .catch_<exception>()
  61         [ ref(caught_exception) = true ]();
  62
  63         BOOST_TEST(caught_exception);
  64     }
  65
  66     {
  67         bool caught_exception = false;
  68         try_
  69         [ throw_(runtime_error("error")) ]
  70         .catch_all
  71         [ ref(caught_exception) = true ]();
  72         BOOST_TEST(caught_exception);
  73     }
  74
  75     {
  76         bool caught_correct_exception = false;
  77         try_
  78             [ throw_(runtime_error("error")) ]
  79         .catch_<string>()
  80             [ ref(caught_correct_exception) = false ]
  81         .catch_<exception>()
  82             [ ref(caught_correct_exception) = true]();
  83
  84         BOOST_TEST(caught_correct_exception);
  85     }
  86
  87     {
  88         bool caught_correct_exception = false;
  89         try_
  90             [ throw_(runtime_error("error")) ]
  91         .catch_<string>()
  92             [ ref(caught_correct_exception) = false ]
  93         .catch_all
  94             [ ref(caught_correct_exception) = true]();
  95
  96         BOOST_TEST(caught_correct_exception);
  97     }
  98
  99     return boost::report_errors();
 100 }